Analyzed, simulated and validated the effect of power fluctuation and the nonlinearity in frequency sweep on radar practical ranging precision, and the validating method of nonlinearity in frequency sweep. 分析、仿真并验证了扫频非线性对雷达实际测距精度的影响、扫频非线性的校正方法。
In order to test the frequency response of missile actuator with high efficiency and precision, a new testing method for frequency response based on frequency modulated pulse sweep ( chirp signal) is advanced. 为了实现导弹舵机的高效和高精度频率特性测试,提出了一种基于线性调频脉冲(chirp信号)扫频的新型频率特性测试方法。
Investigation on dynamic characteristics of precision grinder by means of the rapid frequency sweep excitation technique 应用快速正弦扫频激振对精密磨床动态特性的研究
The system determined the length of output waveform and data sampling frequency, referring to different testing bandwidth and precision, then completed the automatic sweep test. 系统对于不同的测量带宽与精度等要求,确定发射信号的长度和数据采样频率,完成自动扫频测量。